Add blog post author bylines (#280)

* Add blog post author bylines

* Revert "Add blog post author bylines"

This reverts commit afda9b4.

* use native ablog postcard to show blog authors

---------

Co-authored-by: niksirbi <niko.sirbiladze@gmail.com>

Author: PolarBean

docs/source/conf.py

@@ -187,14 +187,24 @@
     }
 }
 
+# Show ABlog's "postcard" (date, author, category, etc.) in the sidebar of blog
+# post pages, see https://ablog.readthedocs.io/en/latest/manual/templates-themes.html
+# Note: this replaces the default site nav sidebar on blog pages only.
 html_sidebars = {
     "blog/index": [
-        # Ablog sidebars (https://ablog.readthedocs.io/en/stable/manual/ablog-configuration-options.html#sidebars)
-        "ablog/recentposts.html"
-    ],  # 'ablog/archives.html << we may want to use archives when we have more posts.
-    "**": [],
+        "ablog/authors.html",
+        "ablog/archives.html",
+    ],
+    "blog/**": [
+        "ablog/postcard.html",
+        "ablog/recentposts.html",
+    ],
 }
 
+# The PyData theme bundles FontAwesome, so let ABlog render its postcard icons
+# (calendar, user, ...) instead of plain-text "Author:"/"Location:" labels.
+fontawesome_included = True
+
 
 redirects = {
     'open-software-week/index.html': '/open-software-summer-school/index.html',